Performance of chemical additives has been evaluated from thermal stability, viscosity reducing, oil fraction analysis and physics simulation test.
从热稳定性、降粘性能、原油馏分分析、物理模拟试验方面对化学添加剂进行了性能评价。
The gas chromatographic analysis methods of C5 fraction and its products were optimized by using self-made SE-30 capillary columns of different film thicknesses.
采用自制的不同膜厚SE-30毛细管色谱柱，对C5馏分及其产品的气相色谱分析条件进行优化。
Then adopt GC/MS to analysis each fraction qualitatively and quantitatively , investigate the distribution situation that the main material in different temperature range.
然后采用GC/MS对各个馏份进行定性、定量分析，考察了主要物质在不同温度区间的分布情况。
The relationship between cement strength and volume fraction of different phosphorous slag particle diameter ranges was analyzed by gray relevant analysis method.
采用灰色关联分析方法研究磷渣各粒径范围颗粒含量与水泥强度之间的关系。
Analysis of the velocity and distribution of gas volume fraction in the same location and plane of two mixers is used to compare the results of mixing.
分析两种搅拌器相同位置、相同平面的速度分布及气相体积分数分布，比较两种搅拌器搅拌效果。
Error analysis showed that the measurement error is usually less than 10% for low void fraction flow. So this is a lowcost and accurate measurement method.
误差分析表明，这种测量方法在低空泡率条件下测量误差一般不超过10 %，它是一种低成本、高精度的绝对测量方法。
Analysis of the air volume fraction distribution of oxidation air of horizontal and vertical plane is used to investigate the effect of the rotary jet mixing device diffusing the oxidation air.
分析水平面与竖直面氧化空气体积分数分布，考察射流对氧化空气的扩散作用。
Gas chromatographic analysis for thermal dimerization mixture of pyrolytic C5 fraction was carried out by using capillary column.
用毛细管柱对裂解C 5馏分二聚反应混合物进行了色谱分析。
The double region heating method is suitable for monitoring wetness fraction of steam turbine exhaust on line, which is proved by the error analysis and the calibration of wetness probe.
通过误差分析及湿度探针的校验表明双区加热法测量蒸汽湿度能够满足测量的要求。
A formula for calculating receiving buffer length was proposed, based on the analysis and research on network parameters, such as jitter, average speed and packet loss fraction.
在分析研究延时抖动、平均速率和丢包率等网络参数的基础上，给出客户端接收缓冲区长度估算公式。根据客户端反馈网络参数在服务器端实现流量控制。
The model of combustion fraction for dense phase in circulating fluidized bed combustor has been built up, based on thermal balance, gas analysis and total gas amount.
建立了基于热平衡法、烟气分析法和烟气量法的循环流化床锅炉燃烧室密相区燃烧份额计算数学模型，并分析比较了各种模型的特点。
Three kinds of new methods used for detecting fiber volume fraction of 3D woven composite were introduced, such as weighing method, theory model calculation method, digital image analysis method.
文中阐述了适用于三维机织复合材料纤维体积含量测定的3种新方法：称量法、理论模型法、数字图像分析法。
Dynamic thermomechanic analysis (DMA) shows that effect of CaCO3 for reinforcing RPUF have relation to void fraction.
在动态热机械分析实验中，交联密度对颗粒填料的增强效果有明显影响。
Analysis by TLC indicates that EGCG exists in 10% effluent fraction and ECG in 45% effluent fraction.
分别收集不同浓度酒精洗脱液，薄层结果显示10%酒精洗脱液为EGCG组分，45%酒精洗脱液为ECG组分。
Considering the feature of left matrix fraction description, this article presents a construction method of the stabilization diagram by principal component analysis (PCA).
针对左矩阵分式模型的特点，给出了一种通过主分量分析(PCA)建立稳定图的方法。
A detailed analysis has been made on how to determine the collector area. By analysis of the system's economic, we can get the best solar collector area and the best solar fraction.
详细阐述了如何确定太阳能采暖系统集热器面积，通过建立太阳能保证率和集热面积之间的关系模型，根据系统经济性确定系统的最佳集热面积及最佳太阳能保证率。
A detailed analysis has been made on how to determine the collector area. By analysis of the system's economic, we can get the best solar collector area and the best solar fraction.
详细阐述了如何确定太阳能采暖系统集热器面积，通过建立太阳能保证率和集热面积之间的关系模型，根据系统经济性确定系统的最佳集热面积及最佳太阳能保证率。
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